# Cognex Security Service

In-Sight ViDi requires that you attach the USB Cognex Security Dongle to your computer to ensure the software is properly authorized for use. Attach the Cognex Security Dongle to your computer via a USB port before you launch a In-Sight ViDi application.

In addition, the Cognex Security Service 3 is required to verify the presence of the USB security key and the licenses for the vision tools that you want to use.

CAUTION: The In-Sight Vision Suite and In-Sight ViDi software require that a valid Cognex Security Dongle be installed directly to PCs running the software during all phases of operation (programming, processing, training, testing, etc.). Any attempts to temporarily remove, substitute, or share a Cognex Security Dongle may cause your system to operate incorrectly, and may result in the loss of data.